diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index b483c7dda..284f4719d 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit b483c7dda2dcd744fad7cd61a36b41d9d3f5ca4d
+Subproject commit 284f4719d4300c7a62d86670e1944982d9d1026e